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Telegraph Kit
Students can discover how people communicated long distances before the telephone. With the Telegraph Kit, students can learn Morse code and even send a secret message to a friend. Kit includes: D cell battery holder, contact key, light bulbs, alligator connector cords, buzzer and instruction manual .
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Students can discover how people communicated long distances before the telephone. With the Telegraph Kit, students can learn Morse code and even send a secret message to a friend. Kit includes: D cell battery holder, contact key, light bulbs, alligator connector cords, buzzer and instruction manual .
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